The psychologist must study the mind as it is, not as it ought to be.
Perspective is worth 80 IQ points.
The essence of mathematics is not to make simple things complicated, but to make complicated things simple.
领导力在于因为你的存在而让他人变得更好,并确保这种影响在你离开后依然持续。
睡在哪里不都是睡在夜里。